Table 8. Co-variation matrices (correlation coefficient r) of activation levels of muscle pairs across tasks, averaged within three subject groups: moderately-impaired subjects (CMSH 4–5).

	THE	FDI	HTH	EDC	FDS	ECR/ECU	FCR/FCU
THE	1	0.33	0.10	0.16	0.32	0.56	0.25
FDI		1	0.13	0.15	0.36	0.14	0.24
HTH			1	0.10	0.31	0.28	0.37
EDC				1	0.07	0.60	0.21
FDS					1	0.25	0.66
ECR/U						1	0.27
FCR/U							1